50 CARYOPHYLLACE^. (piNK FAMILY.) 



1. S. pubera, Michx. Perennial; stems erect or diffuse, forking, hairy in 

 lines ; leaves oblong, acutish, narrowed at tlie base, sessile ; petals longer than 

 the sepals. — Shady rocks in the upper districts and northward. April and 

 May. — Stems 6'- 12' high. Flowers showy. 



2. S. media, Smith. Annual; stems prostrate, forking, pubescent in lines ; 

 leaves ovate or oblong, acute, the lower ones petioled ; petals shorter than the 

 sepals. — Yards and gardens. March and April. Introduced. 



3. S. prostrata, Baldw. Smooth or nearly so ; stems forking, prostrate ; 

 leaves ovate, acute, all on slender petioles, the lower ones often cordate ; petals 

 twice as long as the sepals ; seeds rough-edged. — Damp shades, Georgia, Flor- 

 ida, and westward. March and April. (X — Stems l°-2° long. Petiole 

 mostly longer than the limb. 



4. S. uniflora, Walt. Smooth ;, stems erect from a prostrate base ; leaves 

 remote, narrow-linear, sessile; peduncles very long (2' -4'), erect; petals obcor- 

 date, twice as long as the calyx. — River swamps. South Carolina and North 

 Carolina. May. Q'i — Stems 6'-12' high. Leaves 1' long. — Perhaps a 

 species of Alsinc. 



13. CERASTIUM, L. Mocse-eak. 



Sepals 4-5. Petals 4 -5, obcordate or 2-cleft. Stamens 10. Styles 4-5. 

 Capsule cylindrical, 8 - 10-toothed, many-seeded. — Herbs. Flowers white, soli- 

 tary or cymose, peduncled. 



* Petals not longer than the sepals, 



1. C. vulgatum, li. Villous and somewhat clammy ; stems ascending ; 

 leaves oval, remote, the lowest obovato ; cymes crowded in the bud, spreading in 

 fruit ; sepals lanceolate, acute, as long as the peduncles, and half as long as the 

 slender capsule. — Fields, Florida and northward. April and May. Q — 

 Stems 6'- 12' high. 



2. C. viscOSUm, L. Hairy and clammy ; stems ascending ; leaves lance- 

 oblong, olituse, the lowest wedge-shaped ; cymes loose in the bud ; sepals oblong- 

 ovate, obtuse, shorter than the peduncles. — Fields, Florida and northward. 

 April and May. (J) — Flowei-s and capsules larger than in No. 1 . 



* * Petals longer than the sepals, 



3. C. arvense, L- Hairy or downy ; stems numerous, naked above ; leaves 

 narrowly or broadly lanceolate ; cymes rather few-flowered ; petals obcordate, 

 twice as long as the oblong sepals. — Rocky or dry soil, chiefly in the upper 

 districts. May and June. 1). — Stems 6' -12' high. Leaves seldom 1' long. 

 Flowers J' wide. Capsule rather longer than the calyx. 



4. C. UUtans, Raf Clammy-pubescent ; stems tufted, furrowed ; leaves 

 lanceolate ; cymes ample, many-flowered ; petals oblong, emarginate, rather 

 longer than the oblong sepals. — Low grounds. North Carolina and Tennessee, 

 and northward. O — Stems 1° high. Peduncles long. Capsule curved, three 

 times as long as the calyx. 



